// UI Definition
var GuacamoleUI = {
+ /* Detection Constants */
+
+ "LONG_PRESS_DETECT_TIMEOUT" : 800, /* milliseconds */
+ "LONG_PRESS_MOVEMENT_THRESHOLD" : 10, /* pixels */
+ "MENU_CLOSE_DETECT_TIMEOUT" : 500, /* milliseconds */
+ "MENU_OPEN_DETECT_TIMEOUT" : 325, /* milliseconds */
+ "KEYBOARD_AUTO_RESIZE_INTERVAL" : 30, /* milliseconds */
+
+ /* Animation Constants */
+
+ "MENU_SHADE_STEPS" : 10, /* frames */
+ "MENU_SHADE_INTERVAL" : 30, /* milliseconds */
+ "MENU_SHOW_STEPS" : 5, /* frames */
+ "MENU_SHOW_INTERVAL" : 30, /* milliseconds */
+
+ /* OSK Mode Constants */
+ "OSK_MODE_NATIVE" : 1, /* "Show Keyboard" will show the platform's native OSK */
+ "OSK_MODE_GUAC" : 2, /* "Show Keyboard" will show Guac's built-in OSK */
+
+ /* UI Elements */
+
"viewport" : document.getElementById("viewportClone"),
"display" : document.getElementById("display"),
"menu" : document.getElementById("menu"),
"menuControl" : document.getElementById("menuControl"),
"touchMenu" : document.getElementById("touchMenu"),
"logo" : document.getElementById("status-logo"),
+ "eventTarget" : document.getElementById("eventTarget"),
"buttons": {
if (!menu_shaded) {
- var step = Math.floor(GuacamoleUI.menu.offsetHeight / 10) + 1;
+ var step = Math.floor(GuacamoleUI.menu.offsetHeight / GuacamoleUI.MENU_SHADE_STEPS) + 1;
var offset = 0;
menu_shaded = true;
GuacamoleUI.menu.style.visiblity = "hidden";
}
- }, 30);
+ }, GuacamoleUI.MENU_SHADE_INTERVAL);
}
};
if (menu_shaded) {
- var step = Math.floor(GuacamoleUI.menu.offsetHeight / 5) + 1;
+ var step = Math.floor(GuacamoleUI.menu.offsetHeight / GuacamoleUI.MENU_SHOW_STEPS) + 1;
var offset = -GuacamoleUI.menu.offsetHeight;
menu_shaded = false;
GuacamoleUI.menu.style.visiblity = "";
GuacamoleUI.menu.style.top = offset + "px";
- }, 30);
+ }, GuacamoleUI.MENU_SHOW_INTERVAL);
}
};
};
+ // Assume no native OSK by default
+ GuacamoleUI.oskMode = GuacamoleUI.OSK_MODE_GUAC;
+
// Show/Hide keyboard
var keyboardResizeInterval = null;
GuacamoleUI.buttons.showKeyboard.onclick = function() {
+ // If Guac OSK shown, hide it.
var displayed = GuacamoleUI.containers.keyboard.style.display;
- if (displayed != "block") {
+ if (displayed == "block") {
+ GuacamoleUI.containers.keyboard.style.display = "none";
+ GuacamoleUI.buttons.showKeyboard.textContent = "Show Keyboard";
+
+ window.onresize = null;
+ window.clearInterval(keyboardResizeInterval);
+ }
+
+ // If not shown ... action depends on OSK mode.
+ else {
+
+ // If we think the platform has a native OSK, use the event target to
+ // cause it to display.
+ if (GuacamoleUI.oskMode == GuacamoleUI.OSK_MODE_NATIVE) {
+
+ // ...but use the Guac OSK if clicked again
+ GuacamoleUI.oskMode = GuacamoleUI.OSK_MODE_GUAC;
+
+ // Try to show native OSK by focusing eventTarget.
+ GuacamoleUI.eventTarget.focus();
+ return;
+
+ }
+
+ // Ensure event target is NOT focused if we are using the Guac OSK.
+ GuacamoleUI.eventTarget.blur();
+
GuacamoleUI.containers.keyboard.style.display = "block";
GuacamoleUI.buttons.showKeyboard.textContent = "Hide Keyboard";
// Automatically update size
window.onresize = updateKeyboardSize;
- keyboardResizeInterval = window.setInterval(updateKeyboardSize, 30);
+ keyboardResizeInterval = window.setInterval(updateKeyboardSize, GuacamoleUI.KEYBOARD_AUTO_RESIZE_INTERVAL);
updateKeyboardSize();
}
- else {
- GuacamoleUI.containers.keyboard.style.display = "none";
- GuacamoleUI.buttons.showKeyboard.textContent = "Show Keyboard";
-
- window.onresize = null;
- window.clearInterval(keyboardResizeInterval);
- }
+
};
// Wait and then show menu
detectMenuOpenTimeout = window.setTimeout(function() {
+
+ // If menu opened via mouse, do not show native OSK
+ GuacamoleUI.oskMode = GuacamoleUI.OSK_MODE_GUAC;
+
GuacamoleUI.showMenu();
detectMenuOpenTimeout = null;
- }, 325);
+ }, GuacamoleUI.MENU_OPEN_DETECT_TIMEOUT);
}
};
// Initiate detection of menu close action. If not canceled through some
- // user event, menu will close.
+ // user mouse event, menu will close.
GuacamoleUI.startMenuCloseDetect = function() {
if (!detectMenuCloseTimeout) {
detectMenuCloseTimeout = window.setTimeout(function() {
GuacamoleUI.shadeMenu();
detectMenuCloseTimeout = null;
- }, 500);
+ }, GuacamoleUI.MENU_CLOSE_DETECT_TIMEOUT);
}
// When mouse hovers over top of screen, start detection of intent to open menu
GuacamoleUI.menuControl.addEventListener('mousemove', GuacamoleUI.startMenuOpenDetect, true);
+ var long_press_start_x = 0;
+ var long_press_start_y = 0;
var menuShowLongPressTimeout = null;
GuacamoleUI.startLongPressDetect = function() {
menuShowLongPressTimeout = window.setTimeout(function() {
menuShowLongPressTimeout = null;
+
+ // Assume native OSK if menu shown via long-press
+ GuacamoleUI.oskMode = GuacamoleUI.OSK_MODE_NATIVE;
GuacamoleUI.showMenu();
- }, 800);
+ }, GuacamoleUI.LONG_PRESS_DETECT_TIMEOUT);
}
};
};
// Detect long-press at bottom of screen
- document.body.addEventListener('touchstart', GuacamoleUI.startLongPressDetect, true);
+ GuacamoleUI.display.addEventListener('touchstart', function(e) {
+
+ // Close menu if shown
+ GuacamoleUI.shadeMenu();
+
+ // Record touch location
+ if (e.touches.length == 1) {
+ var touch = e.touches[0];
+ long_press_start_x = touch.screenX;
+ long_press_start_y = touch.screenY;
+ }
+
+ // Start detection
+ GuacamoleUI.startLongPressDetect();
+
+ }, true);
+
+ // Stop detection if touch moves significantly
+ GuacamoleUI.display.addEventListener('touchmove', function(e) {
+
+ if (e.touches.length == 1) {
+
+ // If touch distance from start exceeds threshold, cancel long press
+ var touch = e.touches[0];
+ if (Math.abs(touch.screenX - long_press_start_x) >= GuacamoleUI.LONG_PRESS_MOVEMENT_THRESHOLD
+ || Math.abs(touch.screenY - long_press_start_y) >= GuacamoleUI.LONG_PRESS_MOVEMENT_THRESHOLD)
+ GuacamoleUI.stopLongPressDetect();
+
+ }
+
+ }, true);
+
+ // Stop detection if press stops
+ GuacamoleUI.display.addEventListener('touchend', GuacamoleUI.stopLongPressDetect, true);
+
+ // Close menu on mouse movement
+ GuacamoleUI.display.addEventListener('mousemove', GuacamoleUI.startMenuCloseDetect, true);
+ GuacamoleUI.display.addEventListener('mousedown', GuacamoleUI.startMenuCloseDetect, true);
// Reconnect button
GuacamoleUI.buttons.reconnect.onclick = function() {
// Tie UI events / behavior to a specific Guacamole client
GuacamoleUI.attach = function(guac) {
+ var title_prefix = null;
+ var connection_name = "Guacamole";
+
var guac_display = guac.getDisplay();
+ // Set document title appropriately, based on prefix and connection name
+ function updateTitle() {
+
+ // Use title prefix if present
+ if (title_prefix) {
+
+ document.title = title_prefix;
+
+ // Include connection name, if present
+ if (connection_name)
+ document.title += " " + connection_name;
+
+ }
+
+ // Otherwise, just set to connection name
+ else if (connection_name)
+ document.title = connection_name;
+
+ }
+
// When mouse enters display, start detection of intent to close menu
guac_display.addEventListener('mouseover', GuacamoleUI.startMenuCloseDetect, true);
// Scroll (if necessary) to keep mouse on screen.
window.scrollBy(scroll_amount_x, scroll_amount_y);
- // Hide menu on movement
- GuacamoleUI.startMenuCloseDetect();
-
- // Stop detecting long presses if mouse is being used
- GuacamoleUI.stopLongPressDetect();
-
// Send mouse event
guac.sendMouseState(mouseState);
// Keyboard
var keyboard = new Guacamole.Keyboard(document);
+ var keysymPressed = [];
+
+ // Monitor whether the event target is focused
+ var eventTargetFocused = false;
+
+ GuacamoleUI.eventTarget.onfocus = function() {
+ eventTargetFocused = true;
+ };
+
+ GuacamoleUI.eventTarget.onblur = function() {
+ eventTargetFocused = false;
+ };
+
+ // Save length for calculation of changed value
+ var currentLength = GuacamoleUI.eventTarget.value.length;
+
+ // If text is input directly into event target without typing (as with
+ // voice input, for example), type automatically.
+ GuacamoleUI.eventTarget.oninput = function(e) {
+
+ // Calculate current length and change in length
+ var newLength = GuacamoleUI.eventTarget.value.length;
+ var changeLength = newLength - currentLength;
+ currentLength = newLength;
+
+ // If deleted or replaced text, ignore
+ if (changeLength <= 0)
+ return;
+
+ // Get changed text
+ var text = GuacamoleUI.eventTarget.value.substring(
+ GuacamoleUI.eventTarget.selectionStart,
+ GuacamoleUI.eventTarget.selectionStart + changeLength
+ );
+
+ // Send each character
+ for (var i=0; i<text.length; i++) {
+
+ // Get char code
+ var charCode = text.charCodeAt(i);
+
+ // Convert to keysym
+ var keysym = 0x003F; // Default to a question mark
+ if (charCode >= 0x0000 && charCode <= 0x00FF)
+ keysym = charCode;
+ else if (charCode >= 0x0100 && charCode <= 0x10FFFF)
+ keysym = 0x01000000 | charCode;
+
+ // Send keysym only if not already pressed
+ if (!keysymPressed[keysym]) {
+
+ // Press and release key
+ guac.sendKeyEvent(1, keysym);
+ guac.sendKeyEvent(0, keysym);
+
+ }
+
+ }
+
+ }
+
+ function isTypableCharacter(keysym) {
+ return (keysym & 0xFFFF00) != 0xFF00;
+ }
function disableKeyboard() {
keyboard.onkeydown = null;
}
function enableKeyboard() {
- keyboard.onkeydown =
- function (keysym) {
- guac.sendKeyEvent(1, keysym);
- };
- keyboard.onkeyup =
- function (keysym) {
- guac.sendKeyEvent(0, keysym);
- };
+ keyboard.onkeydown = function (keysym) {
+ guac.sendKeyEvent(1, keysym);
+ keysymPressed[keysym] = true;
+ return eventTargetFocused && isTypableCharacter(keysym);
+ };
+
+ keyboard.onkeyup = function (keysym) {
+ guac.sendKeyEvent(0, keysym);
+ keysymPressed[keysym] = false;
+ return eventTargetFocused && isTypableCharacter(keysym);
+ };
+
}
// Enable keyboard by default
// Handle client state change
guac.onstatechange = function(clientState) {
+
switch (clientState) {
// Idle
case 0:
GuacamoleUI.showStatus("Idle.");
+ title_prefix = "[Idle]";
break;
// Connecting
case 1:
GuacamoleUI.shadeMenu();
GuacamoleUI.showStatus("Connecting...");
+ title_prefix = "[Connecting...]";
break;
// Connected + waiting
case 2:
GuacamoleUI.showStatus("Connected, waiting for first update...");
+ title_prefix = "[Waiting...]";
break;
// Connected
case 3:
-
GuacamoleUI.hideStatus();
- GuacamoleUI.display.className =
- GuacamoleUI.display.className.replace(/guac-loading/, '');
-
- GuacamoleUI.menu.className = "connected";
+ title_prefix = null;
break;
// Disconnecting
case 4:
GuacamoleUI.showStatus("Disconnecting...");
+ title_prefix = "[Disconnecting...]";
break;
// Disconnected
case 5:
GuacamoleUI.showStatus("Disconnected.");
+ title_prefix = "[Disconnected]";
break;
// Unknown status code
GuacamoleUI.showStatus("[UNKNOWN STATUS]");
}
+
+ updateTitle();
};
// Name instruction handler
guac.onname = function(name) {
- document.title = name;
+ connection_name = name;
+ updateTitle();
};
// Error handler